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Finding the Fourth Proportional to 210,604.53, 290,467.02 and 159,093.54

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Solution

The fourth proportional to 210,604.53, 290,467.02 and 159,093.54 is: 219,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,604.53 : 290,467.02 = 159,093.54 : x
  2. Step 2: Convert to fraction form
    210,604.53/290,467.02 = 159,093.54/x
  3. Step 3: Cross multiply
    210,604.53x = 290,467.02 × 159,093.54
  4. Step 4: Simplify right side
    210,604.53x = 46,211,426,465.05
  5. Step 5: Solve for x
    x = 46,211,426,465.05/210,604.53
  6. Step 6: Final answer
    x = 219,422.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.